AMDP Cummins HD EFI Live Tuning EFILive V3 AutoCal required. NOT A FLASHSCAN UNLESS YOU WANT TO PURCHASE HD CUMMINS SUPPORT FROM EFILIVE. Autocals must be linked to the AMDP HD Master Device. Requires the EFILive 9 pin to OBD adapter. F650/750 with the Cummins Engine Is Also Supported! Average 24-48 hour turnaround time. Single Power Levels at this timeInstructions: Step 1: Purchase Tuning Step 2: With your EFILive device and 9-pin adapter, pull a read from the ECM Step 3: Send the read into sales@amdieselperformance.ca with your order number as the subject line. If your Autocal device is not currently linked with the AMDP Master, you will need to request link codes at this time. If you have this device linked with another tuner, you will need to be unlinked from them first. Step 4: Within 48 hours you will receive your tune file back in .bbx format. If you are wanting to flash the file as a pass-through: How to convert your .BBX file to a .CTZ file for Passthrough Flashing Double click and open your .BBX file from the email, or, from wherever you may have saved it on your computer. (This will open the Quick Setup Manager). Once the Quick Setup Manager is open, right click on the tune file and then select "Export Tune File". This will export the tune file to where you save it and converts it to a .CTZ file. Step 5: Flash the vehicle and you are done!